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Core and Shell Model with Separate Tenant Finish Models

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    Core and Shell Model with Separate Tenant Finish Models

    Is there a way to link loads from one linked model to another? Our MEP engineers are having issues trying to deal with content in the core and shell and how it tie into it in the Tenant Finish model. Any workflow suggestions welcome.
    Scott D. Brown, AIA | Senior Project Manager | Beck Group

    #2
    Not native to Revit. I think a 3rd party tool (DesignMaster) has a way to do it however.

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      #3
      I think joseph peel mentioned in a thread a while back that you can create a family that you can copy monitor (say like a VAV box) that would hold all of the information between the tenant and core models and allow it to be transferred between links. I've never done it though, so I can't comment on how well it works.

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        #4
        {Appears in cloud of smoke} You summoned me?

        Yes, it works but try to keep it simple.
        Make a small shared Elec/Mech Equipment block and put it in the families you want to link. Make types for as much of the data as possible (Type data gets copied instance doesnt). You can set the link object in your other families with a Family Type/Label parameter.
        Works well if you can make it very modular and consistent, like electrical/thermal power in 5 fixed steps that you can select per family type rather than a specific load for every object.

        If you want to transfer instance data you need to use dynamo. Get all the copy monitored objects in both models, match the coordinates to know which objects are paired, copy the instance data from the linked object to the current model.

        Its something I am using on a project where we have equipment in furniture (Arch models the furniture with the blocks in, we copy monitor the blocks) but I want to develop it further for pipe connections between models or connections into large equipment like AHUs. Then it would be possible to make separate models for each discipline (HVAC, Elec, Plumbing, etc..) so that each engineer/modeller can have their own lightweight model and loacations+loads still get communicated between models.

        My work here is done {Disappears with a flash}
        josephpeel
        Forum Addict
        Last edited by josephpeel; May 16, 2019, 11:33 AM.
        "One must imagine Sisyphus happy." Albert Camus - "The innovator has for enemies all those who have done well under the old conditions, and lukewarm defenders in those who may ​do well under the new." Nicolo Machiavelli -"Things that are too complex are not useful, Things that are useful are simple." Mikhail Kalashnikov

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          #5
          I had to read that post a few times but I think I get it, you're talking about using that small block family to 'produce' the thermal power load that the Space is then reporting in the Actual Power Load parameter, right? Did you give that family to your Architect and ask him to add it to his furniture families?

          I like this idea. I've been manually typing the wattage into the Spaces and that's been working fine, but it would be great to have that information be part of the Furniture families. I think I may do this, but place small hidden families in my MEP model. That way I can control their heat output and placement. I'd have to manually coordinate them with the arch model but I'm okay with that. I need to leave myself something to do.

          I'm starting a project right now and it's still in that initial Space/Zoning/Load Calculation phase. I think I'll set this up and try it out! At this point I do all of my data entry work in Revit and then gbxml out to Carrier HAP to run the actual load calc.

          So how do you handle lighting power/heat gain? We just apply a standard 1.1 w/sf (11.88 w/m2) to all of our spaces. Are you using the actual wattage from your lighting fixture families?

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            #6
            Just a quick update, I created a little "block" family of my own and created types for various heat generating devices: workstations, copiers, refrigerators, etc, and then copied them around my model. Worked like a charm, once I turned on Space Calculations in the Electrical Settings and set the electrical connectors space calculation to "power."

            I really like this approach because I can schedule this new family and break the schedule down by Space. I also made a "Type Schedule" for these objects so I can centrally control the wattage of each item and have the change propogate across the whole model. Then when it's all set I can gbxml it over to my load calc program!

            Thanks for yet another great idea, Joseph!

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